gcleaner | 6c10c6befa2ed075af8e443d10715aadfb5c01e9161317584a5429a69bcd4e98

General

Target

6c10c6befa2ed075af8e443d10715aadfb5c01e9161317584a5429a69bcd4e98.exe
Size

311KB
MD5

b0d985f94baf83124702f65dd32c9a32
SHA1

a0bdf12cca957ba14a96ef7b59a033ee14f98f89
SHA256

6c10c6befa2ed075af8e443d10715aadfb5c01e9161317584a5429a69bcd4e98
SHA512

0ccf5d5e2070c79396e31e991097119b2ef46e2af43e41c407b87388b3e19a4dc4fdc974953c864e654fee17e68ec30e35f36a73711eb6748b611417b2866558
SSDEEP

6144:KIopxVqUt3EgyNXLhcQORKft7RnXdProV0:KICVqUegyNbCU7RnXdPro

Score

10^/10

gcleaner discovery loader

Malware Config

Extracted

Family

gcleaner

C2

80.66.75.114

45.91.200.135

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner
Downloads MZ/PE file

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

6c10c6befa2ed075af8e443d10715aadfb5c01e9161317584a5429a69bcd4e98.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	6c10c6befa2ed075af8e443d10715aadfb5c01e9161317584a5429a69bcd4e98.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 10 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exe

pid	pid_target	process	target process
5052	1948	WerFault.exe	6c10c6befa2ed075af8e443d10715aadfb5c01e9161317584a5429a69bcd4e98.exe
772	1948	WerFault.exe	6c10c6befa2ed075af8e443d10715aadfb5c01e9161317584a5429a69bcd4e98.exe
2744	1948	WerFault.exe	6c10c6befa2ed075af8e443d10715aadfb5c01e9161317584a5429a69bcd4e98.exe
4076	1948	WerFault.exe	6c10c6befa2ed075af8e443d10715aadfb5c01e9161317584a5429a69bcd4e98.exe
2344	1948	WerFault.exe	6c10c6befa2ed075af8e443d10715aadfb5c01e9161317584a5429a69bcd4e98.exe
1252	1948	WerFault.exe	6c10c6befa2ed075af8e443d10715aadfb5c01e9161317584a5429a69bcd4e98.exe
856	1948	WerFault.exe	6c10c6befa2ed075af8e443d10715aadfb5c01e9161317584a5429a69bcd4e98.exe
2276	1948	WerFault.exe	6c10c6befa2ed075af8e443d10715aadfb5c01e9161317584a5429a69bcd4e98.exe
5084	1948	WerFault.exe	6c10c6befa2ed075af8e443d10715aadfb5c01e9161317584a5429a69bcd4e98.exe
3956	1948	WerFault.exe	6c10c6befa2ed075af8e443d10715aadfb5c01e9161317584a5429a69bcd4e98.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

6c10c6befa2ed075af8e443d10715aadfb5c01e9161317584a5429a69bcd4e98.execmd.exetaskkill.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6c10c6befa2ed075af8e443d10715aadfb5c01e9161317584a5429a69bcd4e98.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

4500 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 4500 taskkill.exe

pid	process
4500	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	4500	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

6c10c6befa2ed075af8e443d10715aadfb5c01e9161317584a5429a69bcd4e98.execmd.exe

description	pid	process	target process
PID 1948 wrote to memory of 2984	1948	6c10c6befa2ed075af8e443d10715aadfb5c01e9161317584a5429a69bcd4e98.exe	cmd.exe
PID 1948 wrote to memory of 2984	1948	6c10c6befa2ed075af8e443d10715aadfb5c01e9161317584a5429a69bcd4e98.exe	cmd.exe
PID 1948 wrote to memory of 2984	1948	6c10c6befa2ed075af8e443d10715aadfb5c01e9161317584a5429a69bcd4e98.exe	cmd.exe
PID 2984 wrote to memory of 4500	2984	cmd.exe	taskkill.exe
PID 2984 wrote to memory of 4500	2984	cmd.exe	taskkill.exe
PID 2984 wrote to memory of 4500	2984	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\6c10c6befa2ed075af8e443d10715aadfb5c01e9161317584a5429a69bcd4e98.exe
"C:\Users\Admin\AppData\Local\Temp\6c10c6befa2ed075af8e443d10715aadfb5c01e9161317584a5429a69bcd4e98.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1948

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1948 -s 452
2⤵
- Program crash
PID:5052

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1948 -s 764
2⤵
- Program crash
PID:772

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1948 -s 784
2⤵
- Program crash
PID:2744

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1948 -s 784
2⤵
- Program crash
PID:4076

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1948 -s 856
2⤵
- Program crash
PID:2344

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1948 -s 928
2⤵
- Program crash
PID:1252

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1948 -s 1004
2⤵
- Program crash
PID:856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1948 -s 1056
2⤵
- Program crash
PID:2276

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1948 -s 1572
2⤵
- Program crash
PID:5084

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "6c10c6befa2ed075af8e443d10715aadfb5c01e9161317584a5429a69bcd4e98.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\6c10c6befa2ed075af8e443d10715aadfb5c01e9161317584a5429a69bcd4e98.exe" & exit
2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2984

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "6c10c6befa2ed075af8e443d10715aadfb5c01e9161317584a5429a69bcd4e98.exe" /f
3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4500

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1948 -s 528
2⤵
- Program crash
PID:3956

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 1948 -ip 1948
1⤵
PID:1396

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1948 -ip 1948
1⤵
PID:1400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1948 -ip 1948
1⤵
PID:3692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1948 -ip 1948
1⤵
PID:2716

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1948 -ip 1948
1⤵
PID:1740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1948 -ip 1948
1⤵
PID:4892

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1948 -ip 1948
1⤵
PID:3364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1948 -ip 1948
1⤵
PID:2356

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1948 -ip 1948
1⤵
PID:3044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1948 -ip 1948
1⤵
PID:228

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VNN58CU3\download[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/1948-1-0x0000000002A20000-0x0000000002B20000-memory.dmp

Filesize
1024KB

Download
memory/1948-2-0x00000000043C0000-0x00000000043FB000-memory.dmp

Filesize
236KB

Download
memory/1948-3-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/1948-8-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/1948-13-0x0000000002A20000-0x0000000002B20000-memory.dmp

Filesize
1024KB

Download
memory/1948-15-0x00000000043C0000-0x00000000043FB000-memory.dmp

Filesize
236KB

Download
memory/1948-17-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/1948-16-0x0000000000400000-0x000000000279E000-memory.dmp

Filesize
35.6MB

Download
memory/1948-29-0x0000000000400000-0x000000000279E000-memory.dmp

Filesize
35.6MB

Download
memory/1948-36-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/1948-35-0x0000000000400000-0x000000000279E000-memory.dmp

Filesize
35.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads